/** A single package entry in the lock file */
export interface LockPackageEntry {
    name: string;
    version: string;
    type: string;
    checksum: string;
}
/** The full lock file structure */
export interface OntologyLock {
    ontology: string;
    version: string;
    lockedAt: string;
    packages: LockPackageEntry[];
}
/** Result of lock check */
export interface LockCheckResult {
    ok: boolean;
    lockPath: string;
    message?: string;
    locked?: OntologyLock;
    current?: {
        ontology: string;
        version: string;
    };
}
export declare function createLockFile(projectRoot: string, selectedRoots: readonly LockableRoot[]): {
    lockPath: string;
    lock: OntologyLock;
};
/** What the lock needs to know about a resolved package. */
export interface LockableRoot {
    dir: string;
    sysmlDir: string;
    packageName: string;
    packageVersion?: string;
    origin: string;
    importDepth: number;
}
/**
 * Check the lock against what the project resolves now.
 *
 * Returns ok when there is no lock file: a lock is recommended, not required.
 */
export declare function checkLockFile(projectRoot: string, selectedRoots: readonly LockableRoot[]): LockCheckResult;
/**
 * Read an existing lock file. Returns undefined if not found.
 */
export declare function readLockFile(projectDir: string): OntologyLock | undefined;
//# sourceMappingURL=lock.d.ts.map